(World War II era, joint US/RAF) radiotelephony clear-code word for the letter S.

(uncountable) Sucrose in the form of small crystals, obtained from sugar cane or sugar beet and used to sweeten food and drink.

(countable) A specific variety of sugar.

(countable, chemistry) Any of various small carbohydrates that are used by organisms to store energy.

(countable) A small serving of this substance (typically about one teaspoon), used to sweeten a drink.

(countable) A term of endearment.

(uncountable, slang) Affection shown by kisses or kissing.

(chiefly southern US, slang, uncountable) Effeminacy in a male, often implying homosexuality.

(uncountable, informal) Diabetes.

Compliment or flattery used to disguise or render acceptable something obnoxious; honeyed or soothing words.

(US, slang, uncountable) Heroin.

(programming) Syntactic sugar.

(transitive) To add sugar to; to sweeten with sugar.

(transitive) To make (something unpleasant) seem less so.

(US, Canada, regional) In making maple sugar, to complete the process of boiling down the syrup till it is thick enough to crystallize; to approach or reach the state of granulation; with the preposition off.

(entomology) To apply sugar to trees or plants in order to catch moths.

(programming, transitive) To rewrite (source code) using syntactic sugar.

(transitive) To compliment (a person).

To remove hair using a paste of sugar, water, and lemon juice.

(minced oath) Used in place of shit!